Irvin, George <br/><br/>
Modern cost-benefit methods  an introduction to financial. economic and social appraisal of development projects 

 - London  Macmillan  1978 
 - xiii,257 p. 
<br/><br/><label>ISBN: </label>0333232089 
<br/><br/><label>Dewey Class. No.: </label>658.152  / TRV